Delete row 16078 from events

seq 16078
id evt_54b85d75dacf
kind signal_ingest
ts 2026-04-10T12:08:14.248164+00:00
actor collector:opportunity_research
subject_entity_ids []
payload {"created_at":"2026-04-10T12:08:14.248 ...
source_ref web_search:serper
confidence 0.6
dedupe_key opportunity_research_snapshot:247f0dfde1340596
episode_id NULL
created_at 2026-04-10T12:08:15.846656+00:00
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